my awesomest math puzzle

(A+B)(B-B)
ARCHIMEDES
BRAMHAGUPTA
DAVIDHILBERT
HIPPOCRATES
INTEGERS
IRRATIONAL
ISAACNEWTON
RATIONAL

it contains all math stuff

Try to find all 9 words on this board.

M E H V H D N Z X F P V M X L
O I E Y A S Y U H U H H K D A
S E T A R C O P P I H N A N N
H W P B X D H A H B O V R O O
N O T W E N C A A S I F C K I
) P G K O G J K S D N V H G T
T B S G F R M Z H L T Q I Q A
K V - V F U W I Z A E P M E R
J R Q B W K L C W N G J E K R
T X M W ( B U O D O E S D I I
K S M Q E ) D W F I R U E P O
P J Z R M F B M W T S L S N M
C R T W D F Z + J A N R O H R
A T P U G A H M A R B O R J K
J N C X T V X E Y ( E F F B L
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Answer Key for my awesomest math puzzle

X
Y
123456789101112131415
1# # # # # # # # # # # # # # L
2# # # # # # # # # # # # # D A
3S E T A R C O P P I H # A # N
4# # # # # # # # # # # V R # O
5N O T W E N C A A S I # C # I
6) # # # # # # # # D N # H # T
7# B # # # # # # H L T # I # A
8# # - # # # # I # A E # M # R
9# # # B # # L # # N G # E # R
10# # # # ( B # # # O E # D # I
11# # # # E ) # # # I R # E # #
12# # # R # # B # # T S # S # #
13# # T # # # # + # A # # # # #
14A T P U G A H M A R B # # # #
15# # # # # # # # # ( # # # # #
Word X Y Direction
(A+B)(B-B)  914nw
ARCHIMEDES  133s
BRAMHAGUPTA  1114w
DAVIDHILBERT  88sw
HIPPOCRATES  113w
INTEGERS  115s
IRRATIONAL  1510n
ISAACNEWTON  115w
RATIONAL  1014n